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Finding the Fourth Proportional to 46,648.60, 69,964.80 and 17,051.20

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Solution

The fourth proportional to 46,648.60, 69,964.80 and 17,051.20 is: 25,573.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,648.60 : 69,964.80 = 17,051.20 : x
  2. Step 2: Convert to fraction form
    46,648.60/69,964.80 = 17,051.20/x
  3. Step 3: Cross multiply
    46,648.60x = 69,964.80 × 17,051.20
  4. Step 4: Simplify right side
    46,648.60x = 1,192,983,797.76
  5. Step 5: Solve for x
    x = 1,192,983,797.76/46,648.60
  6. Step 6: Final answer
    x = 25,573.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.